add samples tags (#108)

Author: adamfweidman

samples/broken-links-ok/.puppeteerrc.cjs

@@ -12,6 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+// [START monitoring_synthetic_monitoring_broken_links_puppeteer_cjs]
 const { join } = require('path');
 
 /**
@@ -20,3 +21,4 @@ const { join } = require('path');
 module.exports = {
   cacheDirectory: join(__dirname, '.cache', 'puppeteer'),
 };
+// [END monitoring_synthetic_monitoring_broken_links_puppeteer_cjs]

samples/generic-puppeteer-nodejs/.puppeteerrc.cjs

@@ -12,6 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+// [START monitoring_synthetic_monitoring_custom_puppeteer_cjs]
 const { join } = require('path');
 
 /**
@@ -20,3 +21,5 @@ const { join } = require('path');
 module.exports = {
   cacheDirectory: join(__dirname, '.cache', 'puppeteer'),
 };
+// [END monitoring_synthetic_monitoring_custom_puppeteer_cjs]
+

samples/generic-puppeteer-nodejs/index.js

@@ -47,4 +47,4 @@ functions.http('CustomPuppeteerSynthetic', runSyntheticHandler(async ({logger, e
  await browser.close();
 }));
 
-// [START monitoring_synthetic_monitoring_custom_puppeteer_script]
+// [END monitoring_synthetic_monitoring_custom_puppeteer_script]